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Interaction of Metal Ion-Coordinated Dipeptide Complex and Ninhydrin in the Alkanediyl-α,ω-bis-Type Gemini Surfactant System

Authors: 

Dileep Kumar, Malik Abdul Rub

Source title: 
Journal of Surfactants and Detergents, 22: 1299-1308, 2019 (ISI)
Academic year of acceptance: 
2019-2020
Abstract: 

In the current study, interaction of a metal ion‐coordinated dipeptide complex and ninhydrin was examined in the alkanediyl‐α,ω‐bis‐type gemini surfactant system. This work was performed as a function of reactants (ninhydrin and metal‐dipeptide complex), surfactants, temperature, and pH. Different techniques including UV–vis spectrophotometry were used to carry out the experiments. The kψ–values were evaluated in the presence of alkanediyl‐α,ω‐bis‐type gemini surfactants. A first‐order path in the metal‐dipeptide complex and a fractional‐order path in ninhydrin were noticed. To illustrate the quantitative analysis of kψ–[gemini] profiles, a pseudophase model of micelles was employed. Thermodynamic parameters were also evaluated and explained. By the observed outcomes, a probable mechanism was suggested and discussed in detail.